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Finding the Fourth Proportional to 704,813,572.66, 972,732,408.06 and 426,357,088.96

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Solution

The fourth proportional to 704,813,572.66, 972,732,408.06 and 426,357,088.96 is: 588,427,030.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,813,572.66 : 972,732,408.06 = 426,357,088.96 : x
  2. Step 2: Convert to fraction form
    704,813,572.66/972,732,408.06 = 426,357,088.96/x
  3. Step 3: Cross multiply
    704,813,572.66x = 972,732,408.06 × 426,357,088.96
  4. Step 4: Simplify right side
    704,813,572.66x = 414,731,357,837,512,384
  5. Step 5: Solve for x
    x = 414,731,357,837,512,384/704,813,572.66
  6. Step 6: Final answer
    x = 588,427,030.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.